Minimac Systems Pvt. Ltd.

  A 1200 MW coal-fired thermal power plant using Indo-Chinese Turbine EHC System in Southern India Synopsis The Power plant was suffering from loss in electricity generation for a few days as per the desired target. The O&M team has identified that the turbine command is not functioning properly and was tripping frequently. On further investigation, it was found that the Servo Valve (Moog valve) has failed and showing hunting or sluggish behavior. Minimac’s EH oil reconditioning system “MLC LVDH TRIX 20” acted as a rescuer for the plant and saved the plant from an unexpected shutdown. If this system would have implemented earlier, a loss of more than 5 Cr could be saved. Problems Failure of Moog valve:  This was the main reason for the trip of the turbine and breakdown in the power plant. Poor Oil Analysis Program:  An oil analysis is supposed to be done monthly for Particle count & TAN (weekly if the trend is negative) and weekly test for water content but the cu...

  A 1200 MW coal-fired thermal power plant using Indo-Chinese turbine EHC system in southern India. Synopsis The plant was struggling with the rapid increase in TAN values in the EH oil of the governing system of the turbine. Also, the moisture content was more than permissible limits. Degradation of the oil was due to contamination ingression into the system resulting in by-product formation. Minimac’s EH oil reconditioning system  “MLC LVDH TRIX 20”  proved to be the savior and an unexpected shutdown of the turbine  worth ₹1.05 Cr per day was saved. Problems A rapid increase in the Total Acid Number (TAN) could degrade the EH oil and lead to the possibilities of failure of servo valve, hunting, power generation loss, unplanned shutdown, etc Oil analysis was done to check the properties of EH oil like moisture, NAS value, total acid number. Solutions Installation of Minimac’s EH oil reconditioning system  “ MLC LVDH TRIX 20 ”  comprehensively designed with...

  A 1,320 MW (2 x 660 MW), one of the first and largest supercritical coal-fired power plants using Indo-Chinese turbine EHC system in northern India Synopsis The plant was struggling with the rapid increase in TAN values in the EH oil of the governing system of the turbine. Moisture content was also more than permissible limits. Degradation of the oil was due to contamination ingression into the system resulting in by-product formation. Minimac’s EH oil reconditioning system  “MLC LVDH TRIX 20”  acted as a savior for the plant and as a result the unexpected shutdown of the turbine worth ₹1.4 Cr per day was saved. Problems Degradation of EH oil properties at both the units of the plant. The installed regeneration system for each EHGC tank of unit #1 and #2 was failing to control neutralization number (TAN value) and showing a rapid increase in the same The company was unaware of the consequences of increased TAN values like possibilities of failure of servo valve, hunting...

  A power plant in Northern India using Indo- Japanese technology turbine EHC system saved 1.5 Cr approx. with MLC LVDH TRIX-20 EH Oil Filtration Synopsis A Power plant (2 x 600 MW) in the Northern region of India was struggling with the rapid increase in TAN values in the EH oil of the governing system of the turbine and moisture content was also more than permissible limits. Degradation of the oil was due to contamination ingression into the system and resulting in the formation of by-products. Minimac’s EH oil Reconditioning system “MLC LVDH TRIX 20 “acted as a savior for the plant which has escaped the unexpected shutdown of the turbine worth 1.05 Cr per day (approx. 15 hours downtime) and cost & effort for Replacement of oil worth 44 lakhs. In total, the company has saved around 1.5 Crore by installing external Reconditioning system at their site The above graph shows the trend analysis of NAS 1638, Moisture and TAN value during one-month installation of the reconditioning...

  A power plant in western India using chinese technology turbine EHC system saved 3.01 Cr approx. with MLC LVDH TRIX-20 EH oil filtration Synopsis A power plant (2 x 600 MW) in western region of India was struggling with the rapid increase in TAN values in the EH oil of the governing system of the turbine and moisture content was also more than permissible limits. Degradation of the oil was due to contamination ingression into the system and resulting into formation of by-products. Minimac’s EH oil reconditioning system “MLC LVDH TRIX 20 “act as saviour for the plant which has escaped the unexpected shutdown of the turbine worth 2.8 Cr (approx. 48 hours downtime) and cost & effort for replacement of oil worth 21 lakhs. In total, the company has saved around 3.01 Crore by installing external reconditioning system at their site. Problems Failure of servo valve, hunting and sluggish behavior of the turbine, unplanned shutdown, presence of varnish & silt in the clearance of th...

  Do you agree that the little things, if done consistently, add to the big things? The same applies to every field of life, whether it is personal or professional. The very recent example recites it very true. The whole story begins with an opportunity to supply and commission 8 numbers of Oil Quality Testing Equipment for a sector that is crucial regarding the nation's safety. It was a great experience to work with the best brains and brave hearts. We started our journey from Pune to a remote location in Odisha, Koraput. When we landed at the nearest airport, we knew it was more than a 5-hour journey by road, crossing many hills, valleys, forests, and ghats. During our travel, we encountered many wild animals and, surprisingly, snakes like pythons crossing the road. Probably, high wind and rain were making it more scary and adventurous. We arrived at our stay very late at night. After such a long day, we were excited to hit the bull’s eye the next day. We couldn’t resist the enth...

  Contamination is the major cause of failure for any lubricated mechanical element. Wear can easily be identified by monitoring the shape and composition of contaminants. To identify and monitor the source of contaminants, Particle Analyzer plays a very crucial role. It analyzes the solid contamination in a lubricant by counting the number of particles and categorising the degree of contamination according to the particle size. The particle analyzer is considered to be one of the most important tests in oil analysis, as it determines a wide variety of problems easily. It monitors the amount and size of the particles in an oil sample. There are many uses of particle analyzer including testing filter leaks, checking real-time cleanliness and filter efficiency, creating testing routines, etc. Benefits of Particle Analysis There are enormous benefits; some of them are as follows: It allows “real-time” analysis of oil It confirms the corrective maintenance, needs for ferrography, and s...